Evidence map›Paper›PMID 27165137›Full record

ArticleEuropean radiology2017

Quantitative imaging of excised osteoarthritic cartilage using spectral CT.

Kishore Rajendran, Caroline Löbker, Benjamin S Schon, Christopher J Bateman, Raja Aamir Younis, Niels J A de Ruiter, Alex I Chernoglazov, Mohsen Ramyar, Gary J Hooper, Anthony P H Butler and 2 more

Abstract read
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Article in European radiology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
3.0field-weighted citation impact, top 9% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

19 citing papers in PubMed, 49 citations in OpenAlex.

  1. Article
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  9. Photon Counting CT: Clinical Applications and Future Developments.IEEE transactions on radiation and plasma medical sciences · 2021
    Article
  10. Spectral Photon Counting CT: Imaging Algorithms and Performance Assessment.IEEE transactions on radiation and plasma medical sciences · 2021
    Article
  11. Article
  12. Review
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  14. Article
  15. Article
  16. Beam profile assessment in spectral CT scanners.Journal of applied clinical medical physics · 2018
    Article
  17. Article
  18. Article
  19. Photon-counting Detector CT: System Design and Clinical Applications of an Emerging Technology.Radiographics : a review publication of the Radiological Society of North America, Inc
    Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 4 institutions in 3 countries.

Kishore RajendranDepartment of Radiology, University of Otago - Christchurch, 2 Riccarton Ave, Christchurch, 8140, New Zealand.
Caroline LöbkerChristchurch Regenerative Medicine and Tissue Engineering Group, Department of Orthopaedic Surgery and Musculoskeletal Medicine, University of Otago, Christchurch, New Zealand.
Benjamin S SchonChristchurch Regenerative Medicine and Tissue Engineering Group, Department of Orthopaedic Surgery and Musculoskeletal Medicine, University of Otago, Christchurch, New Zealand.
Christopher J BatemanDepartment of Radiology, University of Otago - Christchurch, 2 Riccarton Ave, Christchurch, 8140, New Zealand.
Raja Aamir YounisDepartment of Radiology, University of Otago - Christchurch, 2 Riccarton Ave, Christchurch, 8140, New Zealand.
Niels J A de RuiterDepartment of Radiology, University of Otago - Christchurch, 2 Riccarton Ave, Christchurch, 8140, New Zealand.
Alex I ChernoglazovHuman Interface Technology Laboratory New Zealand, University of Canterbury, Christchurch, New Zealand.
Mohsen RamyarDepartment of Radiology, University of Otago - Christchurch, 2 Riccarton Ave, Christchurch, 8140, New Zealand.
Gary J HooperChristchurch Regenerative Medicine and Tissue Engineering Group, Department of Orthopaedic Surgery and Musculoskeletal Medicine, University of Otago, Christchurch, New Zealand.
Anthony P H ButlerDepartment of Radiology, University of Otago - Christchurch, 2 Riccarton Ave, Christchurch, 8140, New Zealand.
Tim B F WoodfieldChristchurch Regenerative Medicine and Tissue Engineering Group, Department of Orthopaedic Surgery and Musculoskeletal Medicine, University of Otago, Christchurch, New Zealand.
Nigel G AndersonDepartment of Radiology, University of Otago - Christchurch, 2 Riccarton Ave, Christchurch, 8140, New Zealand. nigel.anderson@otago.ac.nz.
University of Otago · NZEuropean Organization for Nuclear Research · CHUniversity of Canterbury · NZUniversity of Twente · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesTo quantify iodine uptake in articular cartilage as a marker of glycosaminoglycan (GAG) content using multi-energy spectral CT.

methodsWe incubated a 25-mm strip of excised osteoarthritic human tibial plateau in 50 % ionic iodine contrast and imaged it using a small-animal spectral scanner with a cadmium telluride photon-processing detector to quantify the iodine through the thickness of the articular cartilage. We imaged both spectroscopic phantoms and osteoarthritic tibial plateau samples. The iodine distribution as an inverse marker of GAG content was presented in the form of 2D and 3D images after applying a basis material decomposition technique to separate iodine in cartilage from bone. We compared this result with a histological section stained for GAG.

resultsThe iodine in cartilage could be distinguished from subchondral bone and quantified using multi-energy CT. The articular cartilage showed variation in iodine concentration throughout its thickness which appeared to be inversely related to GAG distribution observed in histological sections.

conclusionsMulti-energy CT can quantify ionic iodine contrast (as a marker of GAG content) within articular cartilage and distinguish it from bone by exploiting the energy-specific attenuation profiles of the associated materials. KEY POINTS: • Contrast-enhanced articular cartilage and subchondral bone can be distinguished using multi-energy CT. • Iodine as a marker of glycosaminoglycan content is quantifiable with multi-energy CT. • Multi-energy CT could track alterations in GAG content occurring in osteoarthritis.

Indexed as

Cartilage, ArticularContrast MediaDissectionGlycosaminoglycansHumansIodineOsteoarthritisPhantoms, ImagingTibiaTomography, X-Ray ComputedContrast MediaGlycosaminoglycansIodineArticular cartilageGlycosaminoglycanIonic contrast mediaOsteoarthritisSpectral CT

Identifiers

PMID27165137
OpenAlexW2377812826

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.